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Finding the Fourth Proportional to 400,383.42, 600,400.17 and 119,835.06

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Solution

The fourth proportional to 400,383.42, 600,400.17 and 119,835.06 is: 179,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,383.42 : 600,400.17 = 119,835.06 : x
  2. Step 2: Convert to fraction form
    400,383.42/600,400.17 = 119,835.06/x
  3. Step 3: Cross multiply
    400,383.42x = 600,400.17 × 119,835.06
  4. Step 4: Simplify right side
    400,383.42x = 71,948,990,395.96
  5. Step 5: Solve for x
    x = 71,948,990,395.96/400,383.42
  6. Step 6: Final answer
    x = 179,700.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.